
*{
    margin: 0px;
    padding: auto;
    box-sizing: border-box;
    
}
body{
    font-family: "宋体","微软雅黑";
    background-color: rgba(245, 245, 220, 0.523);
}

#yin audio{
    width: 180px;
    float: left;
    display: none;
}

.navbar .a{
    color: rgb(237, 227, 38);
}
.navbar a:hover{
    color: cadetblue;
    font-size: 18px;
}
/* .navbar a:visited{
    color: blue;
} */
.navbar{
    background-color: #333;
    width: 1100px;
    height: 55px;
    margin: auto;
    font-size: 17px;
    font-weight: bold;
}
.navbar ul #lingxi ol{
    font-size: 12px;
    width: 150px;
}
.navbar ul #lingxi a:hover{
    font-size: 14px;
}

.navbar ul{
    width: 1000px;
    margin: auto;
}


.navbar li{
    float: left;
    list-style: none;        /* 消除列表样式 */
    position: relative;
}
.navbar li a{
    color: #f2f2f2;
    text-align: center;
    text-decoration: none;
    line-height: 55px;
    margin-right: 100px;
}
.navbar li ol{
    position: absolute;
    left: -18px;
    width: 120px;
    background: #333;
    display: none;
}
.navbar li ol li {
    width: 100%;
}
.navbar li ol li a{
    margin-right: 0px;
    text-align: center;
    display: block;
}
.navbar li:hover ol{
    display: block;
}
.navbar  img{
    height: 55px;
    float: left;
    margin-right: 80px;
    margin-left: 20px;
}
.denglu{
    float: right;
    margin-top: 17px;
    margin-right: 70px;

}
.denglu a{
    text-decoration: none;
    color: white;
    font-size: 17px;
    font-weight: bold;
}



.JS{
    margin:auto;
    margin-top: 200px;
}
.js{
    background-color: #758a9963 ;
    border-radius: 8px;
    width: 200px;
    margin: auto;
    text-align: center;
    font-family: "华文中宋";

}

.jieshao{
    width: 1100px;
    /* 100%窗口高度 */
    height: 1040px;
    /* 弹性布局 */
    display: flex;
    /* 弹性布局 水平+垂直居中 */
    justify-content: center;
    align-items: center;
    /* 渐变背景 */
  
    padding: 0%;
    margin: auto;
    position: relative;
   
}
.jieshao .card p,a{
    font-family: "黑体";
}
.jieshao .card:nth-child(1){
    position: absolute;
   top: 30px;
    left: 30px;
}
.jieshao .card:nth-child(2){
    position: absolute;
    top: 30px;
    left: 370px;
}
.jieshao .card:nth-child(3){
    position: absolute;
    top: 30px;
    right:50px;
}
.jieshao .card:nth-child(4){
    position: absolute;
    top: 530px;
    right: 230px;
}
.jieshao .card:nth-child(5){
    position: absolute;
    top: 530px;;
    right: 600px;
}
.card{
    /* 相对定位 */
    position: relative;
    width: 250px;
    height: 400px;
    margin: 20px;
    background-color: #758a99;
    border-radius: 0px 80px;
    /* 溢出隐藏 */
    overflow: hidden;
    /* 弹性布局 */
    display: flex;
    /* 元素纵向排列 */
    flex-direction: column;
    /* 居中 */
    align-items: center;
    color: #fff;
    /* 阴影 */
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    /* 不让其被挤压 */
    flex-shrink: 0;
}

.card .photo img{
    width: 100%;
    height: 100%;
    /* 保持原有尺寸比例，裁切长边 */
    object-fit: cover;
}
/* 默认大图 */
.card .photo{
    /* 绝对定位 */
     position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    border-radius: 0%;
    overflow: hidden; 
    /* 动画过渡 */
    transition: 0.5s;
}
/* 鼠标移入变小图 */
.card:hover .photo{
    top: 30px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0, 0, 0,0.8);
}
/* 这里加个黑色到透明的渐变背景，可以更好的看清楚名字 */
.card .photo::before{
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,transparent 50%,#333);
}
.card h1{
    position: absolute;
    top: 350px;
    transition: 0.5s;
    font-size: 26px;
}
.card:hover h1{
    top: 140px;
    font-size: 24px;
}
.card h2{
    margin-top: 190px;
    width: 80%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 22px;
    text-align: center;
    margin-bottom: 10px;
    padding-bottom: 10px;
    font-size: 20px;
}
.card p{
    width: 90%;
    text-indent: 32px;
    font-size: 16px;
    margin-bottom: 5px;
    line-height: 30px;
}
.card a{
    font-size: 18px;
    color: rgba rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 8px 32px;
    border-radius: 8px;
}
.card a:hover{
    color: #fff;
    background-color: rgba(255, 255, 255, 0.2);
}
